The practical answer is go witt wordpress and pick a theme that adjusts to your designs. Woothemes is a great source plus you will have the significant advantage of getting plugins that will help you with SEO and not have to call a designer every single time you want to post an article.

Launching as quickly as possible is often better than going for perfection because you are able to gauge much quicker what your audience wants and how they respond. If ultimately you find tremendous success wordpress will allow you to scale with add-ons and special services.